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space exploration
(Encyclopedia)CE5 Moon mission assembly CE5 Stages in a moon mission shown counterclockwise from launching on the first day to splashdown on the ninth day. space exploration, the investigation of physical co...Cologne
(Encyclopedia)Cologne kəlōnˈ [key], Ger. Köln, city (2021 est. metro area pop. 1,129,000), North Rhine...European Space Agency
(Encyclopedia)European Space Agency (ESA), multinational agency dedicated to the promotion, for exclusively peaceful purposes, of cooperation among European states in space research and technology. Member states in...space station
(Encyclopedia)space station or space platform, artificial earth satellite, usually manned, that is placed in a fixed orbit and can serve as a base for astronomical observations; zero-gravity materials processing; s...space science
(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...China
(Encyclopedia)CE5 CE5 China, Mandarin Zhonghua Renmin Gongheguo [central glorious people's united country; i.e., people's republic], officially People's Repu...Browse by Subject
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